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The author advocates the direct study of the gastric rugae by the Akerlund-Berg method. This method affords a roentgenologic study of the internal profile of the normal and pathologic mucous membrane almost as well as if the stomach had been opened. Instead of a full meal, only one swallow of the barium mixture is taken and its course through the stomach is watched. Four pictures are taken on one 18 by 24 cm. film to show the entire stomach. Compression is used to bring out the rugae of the stomach more clearly. For the duodenum, two exposures are taken in different diameters. This method attempts to correlate the direct comparison of the roentgenographic results with anatomic conditions. This was possible in 95 per cent of duodenal ulcers. In gastric ulcers more difficulty was encountered on account of failure to demonstrate shallow ulcers roentgenographically. Chronic gastritis is easily recognized and its
Das Ulcusproblem im Lichte moderner Röntgenforschung.. JAMA. 1931;96(14):1172. doi:10.1001/jama.1931.02720400070038